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  • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
  • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
  • B01J31/22—Organic complexes
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  • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
  • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
  • B01J31/22—Organic complexes
  • B01J31/2265—Carbenes or carbynes, i.e.(image)
  • B01J31/2278—Complexes comprising two carbene ligands differing from each other, e.g. Grubbs second generation catalysts
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  • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
  • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
  • B01J31/22—Organic complexes
  • B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
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  • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
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  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
  • C07C6/02—Metathesis reactions at an unsaturated carbon-to-carbon bond
  • C07C6/04—Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond
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  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
  • C07C6/02—Metathesis reactions at an unsaturated carbon-to-carbon bond
  • C07C6/04—Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond
  • C07C6/06—Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond at a cyclic carbon-to-carbon double bond
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  • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
  • B01J2231/50—Redistribution or isomerisation reactions of C-C, C=C or C-C triple bonds
  • B01J2231/54—Metathesis reactions, e.g. olefin metathesis
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  • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
  • B01J2231/50—Redistribution or isomerisation reactions of C-C, C=C or C-C triple bonds
  • B01J2231/54—Metathesis reactions, e.g. olefin metathesis
  • B01J2231/543—Metathesis reactions, e.g. olefin metathesis alkene metathesis
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  • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
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  • B01J2531/821—Ruthenium
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  • C07C2531/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
  • C07C2531/22—Organic complexes

Definitions

• This invention relates generally to metathesis catalysts and the use of such catalysts in the metathesis of olefins and olefin compounds, more particularly, in the use of such catalysts in Z or E selective olefin metathesis reactions, particularly Z or E selective cross metathesis reactions.
• the invention has utility in the fields of organometallics and organic synthesis.
• transition-metal catalyzed olefin metathesis reaction is an important methodology for the construction of new carbon-carbon double bonds (see (a) Fürstner, A. Angew. Chem., Int. Ed. 2000, 39, 3013 . (b) Trnka, T. M.; Grubbs, R. H. Acc. Chem. Res. 2001, 34, 18 . (c) Schrock, R. R. Chem. Rev. 2002, 102, 145 . (d) Schrock, R. R.; Hoveyda, A. H. Angew. Chem., Int. Ed. 2003, 42, 4592 . (e) Vougioukalakis, G.; Grubbs, R. H. Chem. Rev. 2009, 110, 1746 . (f) Samoj owicz, C.; Bieniek, M.; Grela, K. Chem. Rev. 2009, 109, 3708).
• CM cross metathesis
• the invention provides a compound of Formula (I): wherein:
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in a Z -configuration; and where the at least one cross metathesis product is greater than about 80% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in a Z -configuration; and where the at least one cross metathesis product is greater than about 90% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in a Z -configuration; and where the at least one cross metathesis product is greater than about 95% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in a Z -configuration; and where the at least one cross metathesis product is greater than about 99% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in an E -configuration; and where the at least one cross metathesis product is greater than about 80% E .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in an E -configuration; and where the at least one cross metathesis product is greater than about 90% E.
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in an E -configuration; and where the at least one cross metathesis product is greater than about 95% E .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second internal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, where the first internal olefin reactant and the second internal olefin reactant are each in an E -configuration; and where the at least one cross metathesis product is greater than about 99% E .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in a Z -configuration; and where the at least one cross metathesis product is greater than about 80% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in a Z -configuration; and where the at least one cross metathesis product is greater than about 90% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in a Z -configuration; and where the at least one cross metathesis product is greater than about 95% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in a Z -configuration; and where the at least one cross metathesis product is greater than about 99% Z .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in an E -configuration; and where the at least one cross metathesis product is greater than about 80% E .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in an E -configuration; and where the at least one cross metathesis product is greater than about 90% E .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in an E -configuration; and where the at least one cross metathesis product is greater than about 95% E .
• the invention provides a method for performing a cross metathesis reaction, comprising: contacting a first internal olefin reactant with a second terminal olefin reactant in the presence of a compound of Formula (I), under conditions effective to promote the formation of at least one cross metathesis product, where the first internal olefin reactant is in an E -configuration; and where the at least one cross metathesis product is greater than about 99% E .
• the invention provides for use of a compound of Formula (I) in olefin metathesis. In one embodiment, the invention provides for use of a compound of Formula (I) in an olefin metathesis reaction. In one embodiment, the invention provides for use of a compound of Formula (I) in a Z -selective olefin metathesis reaction. In one embodiment, the invention provides for use of a compound of Formula (I) in a Z -selective cross metathesis reaction.
• the invention provides for use of a compound of Formula (I) in olefin metathesis. In one embodiment, the invention provides for use of a compound of Formula (I) in an olefin metathesis reaction. In one embodiment, the invention provides for use of a compound of Formula (I) in an E -selective olefin metathesis reaction. In one embodiment, the invention provides for use of a compound of Formula (I) in an E -selective cross metathesis reaction.
• the invention provides a method for performing a Z -selective olefin metathesis reaction. In one embodiment, the invention provides a method for performing a Z -selective cross metathesis reaction.
• the invention provides a method for performing an E- selective olefin metathesis reaction. In one embodiment, the invention provides a method for performing an E -selective cross metathesis reaction.
• an ⁇ -olefin includes a single ⁇ -olefin as well as a combination or mixture of two or more ⁇ -olefins
• reference to "a substituent” encompasses a single substituent as well as two or more substituents, and the like.
• alkyl refers to a linear, branched, or cyclic saturated hydrocarbon group typically although not necessarily containing 1 to about 24 carbon atoms, preferably 1 to about 12 carbon atoms, such as methyl (Me), ethyl (Et), n-propyl (Pr or n-Pr), isopropyl (i-Pr), n-butyl (Bu or n-Bu), isobutyl (i-Bu), t-butyl (t-Bu), octyl (Oct), decyl, and the like, as well as cycloalkyl groups such as cyclopentyl (Cp), cyclohexyl (Cy) and the like.
• alkyl groups herein contain 1 to about 8 carbon atoms.
• the term “lower alkyl” refers to an alkyl group of 1 to 6 carbon atoms
• the specific term “cycloalkyl” refers to a cyclic alkyl group, typically having 3 to 8, preferably 5 to 7, carbon atoms.
• substituted alkyl refers to alkyl substituted with one or more substituent groups
• heteroatom-containing alkyl and “heteroalkyl” refer to alkyl in which at least one carbon atom is replaced with a heteroatom. If not otherwise indicated, the terms “alkyl” and “lower alkyl” include linear, branched, cyclic, unsubstituted, substituted, and/or heteroatom-containing alkyl and lower alkyl, respectively.
• alkylene refers to a difunctional linear, branched, or cyclic alkyl group, where "alkyl” is as defined above.
• alkenyl refers to a linear, branched, or cyclic hydrocarbon group of 2 to about 24 carbon atoms containing at least one double bond, such as ethenyl, n-propenyl, isopropenyl, n-butenyl, isobutenyl, octenyl, decenyl, tetradecenyl, hexadecenyl, eicosenyl, tetracosenyl, and the like.
• Preferred alkenyl groups herein contain 2 to about 12 carbon atoms.
• lower alkenyl refers to an alkenyl group of 2 to 6 carbon atoms
• cycloalkenyl refers to a cyclic alkenyl group, preferably having 3 to 8 carbon atoms.
• substituted alkenyl refers to alkenyl substituted with one or more substituent groups
• heteroatom-containing alkenyl and “heteroalkenyl” refer to alkenyl in which at least one carbon atom is replaced with a heteroatom. If not otherwise indicated, the terms “alkenyl” and “lower alkenyl” include linear, branched, cyclic, unsubstituted, substituted, and/or heteroatom-containing alkenyl and lower alkenyl, respectively.
• alkenylene refers to a difunctional linear, branched, or cyclic alkenyl group, where "alkenyl” is as defined above.
• alkynyl refers to a linear or branched hydrocarbon group of 2 to about 24 carbon atoms containing at least one triple bond, such as ethynyl, n-propynyl, and the like. Preferred alkynyl groups herein contain 2 to about 12 carbon atoms. The term “lower alkynyl” refers to an alkynyl group of 2 to 6 carbon atoms.
• substituted alkynyl refers to alkynyl substituted with one or more substituent groups
• heteroatom-containing alkynyl and “heteroalkynyl” refer to alkynyl in which at least one carbon atom is replaced with a heteroatom.
• alkynyl and “lower alkynyl” include linear, branched, unsubstituted, substituted, and/or heteroatom-containing alkynyl and lower alkynyl, respectively.
• alkynylene refers to a difunctional alkynyl group, where "alkynyl” is as defined above.
• alkoxy refers to an alkyl group bound through a single, terminal ether linkage; that is, an "alkoxy” group may be represented as -O-alkyl where alkyl is as defined above.
• a “lower alkoxy” group refers to an alkoxy group containing 1 to 6 carbon atoms.
• alkenyloxy and lower alkenyloxy respectively refer to an alkenyl and lower alkenyl group bound through a single, terminal ether linkage
• alkynyloxy and “lower alkynyloxy” respectively refer to an alkynyl and lower alkynyl group bound through a single, terminal ether linkage.
• aryl refers to an aromatic substituent containing a single aromatic ring or multiple aromatic rings that are fused together, directly linked, or indirectly linked (such that the different aromatic rings are bound to a common group such as a methylene or ethylene moiety).
• Preferred aryl groups contain 5 to 24 carbon atoms, and particularly preferred aryl groups contain 6 to 10 carbon atoms.
• Exemplary aryl groups contain one aromatic ring or two fused or linked aromatic rings, e.g., phenyl (Ph), naphthyl, biphenyl, diphenylether, diphenylamine, benzophenone, phenanthryl and the like.
• Substituted aryl refers to an aryl moiety substituted with one or more substituent groups
• heteroatom containing aryl and “heteroaryl” refer to aryl substituents in which at least one carbon atom is replaced with a heteroatom, as will be described in further detail herein.
• aryloxy refers to an aryl group bound through a single, terminal ether linkage, wherein "aryl” is as defined above.
• An "aryloxy” group may be represented as -O-aryl where aryl is as defined above.
• Preferred aryloxy groups contain 5 to 24 carbon atoms, and particularly preferred aryloxy groups contain 6 to 10 carbon atoms.
• aryloxy groups include, without limitation, phenoxy, o-halo-phenoxy, m-halo-phenoxy, p-halo-phenoxy, o-methoxy-phenoxy, m-methoxy-phenoxy, p-methoxy-phenoxy, 2,4-dimethoxy-phenoxy, 3,4,5-trimethoxy-phenoxy, and the like.
• alkaryl refers to an aryl group with an alkyl substituent
• aralkyl refers to an alkyl group with an aryl substituent, wherein “aryl” and “alkyl” are as defined above.
• Preferred alkaryl and aralkyl groups contain 6 to 24 carbon atoms, and particularly preferred alkaryl and aralkyl groups contain 6 to 16 carbon atoms.
• Alkaryl groups include, without limitation, p-methylphenyl, 2,4-dimethylphenyl, p-cyclohexylphenyl, 2,7-dimethylnaphthyl, 7-cyclooctylnaphthyl, 3-ethyl-cyclopenta-1,4-diene, and the like.
• aralkyl groups include, without limitation, benzyl, 2-phenyl-ethyl, 3-phenyl-propyl, 4-phenylbutyl, 5-phenyl-pentyl, 4-phenylcyclohexyl, 4-benzylcyclohexyl, 4-phenylcyclohexylmethyl, 4-benzylcyclohexylmethyl, and the like.
• alkaryloxy and aralkyloxy refer to substituents of the formula -OR wherein R is alkaryl or aralkyl, respectively, as just defined.
• acyl refers to substituents having the formula -(CO)-alkyl, -(CO)-aryl, - (CO)-aralkyl, -(CO)-alkaryl, -(CO)-alkenyl, or -(CO)-alkynyl
• acyloxy refers to substituents having the formula -O(CO)-alkyl, -O(CO)-aryl, -O(CO)-aralkyl, -O(CO)-alkaryl, - O(CO)-alkenyl, or -(CO)-alkynyl wherein "alkyl,” “aryl”, “aralkyl”, “alkaryl”, “alkenyl", and “alkynyl” are as defined above.
• the acetoxy group (-O(CO)CH 3 ; often abbreviated as -OAc) is a common example of an acyloxy group.
• cyclic and ring refer to alicyclic or aromatic groups that may or may not be substituted and/or heteroatom containing, and that may be monocyclic, bicyclic, or polycyclic.
• alicyclic is used in the conventional sense to refer to an aliphatic cyclic moiety, as opposed to an aromatic cyclic moiety, and may be monocyclic, bicyclic or polycyclic.
• polycyclic ring refer to alicyclic or aromatic groups that may or may not be substituted and/or heteroatom containing, and that have at least two closed rings tethered, fused, linked via a single bond or bridged.
• Polycyclic rings include without limitation naphthyl, biphenyl, phenanthryl and the like.
• halo and “halogen” and “halide” are used in the conventional sense to refer to a fluoro, chloro, bromo, or iodo substituent.
• Hydrocarbyl refers to univalent hydrocarbyl radicals containing 1 to about 30 carbon atoms, preferably 1 to about 24 carbon atoms, most preferably 1 to about 12 carbon atoms, including linear, branched, cyclic, saturated and unsaturated species, such as alkyl groups, alkenyl groups, alkynyl groups, aryl groups, and the like.
• lower hydrocarbyl refers to a hydrocarbyl group of 1 to 6 carbon atoms, preferably 1 to 4 carbon atoms
• hydrocarbylene refers to a divalent hydrocarbyl moiety containing 1 to about 30 carbon atoms, preferably 1 to about 24 carbon atoms, most preferably 1 to about 12 carbon atoms, including linear, branched, cyclic, saturated and unsaturated species.
• lower hydrocarbylene refers to a hydrocarbylene group of 1 to 6 carbon atoms.
• Substituted hydrocarbyl refers to hydrocarbyl substituted with one or more substituent groups
• heteroatom-containing hydrocarbyl and “heterohydrocarbyl” refer to hydrocarbyl in which at least one carbon atom is replaced with a heteroatom
• substituted hydrocarbylene refers to hydrocarbylene substituted with one or more substituent groups
• heteroatom-containing hydrocarbylene and heterohydrocarbylene refer to hydrocarbylene in which at least one carbon atom is replaced with a heteroatom.
• hydrocarbyl and hydrocarbylene are to be interpreted as including substituted and/or heteroatom-containing hydrocarbyl and hydrocarbylene moieties, respectively.
• heteroatom-containing refers to a hydrocarbon molecule or a hydrocarbyl molecular fragment in which one or more carbon atoms is replaced with an atom other than carbon, e.g., nitrogen, oxygen, sulfur, phosphorus or silicon, typically nitrogen, oxygen or sulfur.
• heteroalkyl refers to an alkyl substituent that is heteroatom-containing
• heterocyclic refers to a cyclic substituent that is heteroatom-containing
• heteroaryl and “heteroaromatic” respectively refer to "aryl” and "aromatic” substituents that are heteroatom-containing, and the like.
• heterocyclic group or compound may or may not be aromatic, and further that “heterocycles” may be monocyclic, bicyclic, or polycyclic as described above with respect to the term "aryl.”
• heteroalkyl groups include without limitation alkoxyaryl, alkylsulfanyl-substituted alkyl, N-alkylated amino alkyl, and the like.
• heteroaryl substituents include without limitation pyrrolyl, pyrrolidinyl, pyridinyl, quinolinyl, indolyl, pyrimidinyl, imidazolyl, 1,2,4-triazolyl, tetrazolyl, etc.
• heteroatom-containing alicyclic groups include without limitation pyrrolidino, morpholino, piperazino, piperidino, etc.
• substituted as in “substituted hydrocarbyl,” “substituted alkyl,” “substituted aryl,” and the like, as alluded to in some of the aforementioned definitions, is meant that in the hydrocarbyl, alkyl, aryl, or other moiety, at least one hydrogen atom bound to a carbon (or other) atom is replaced with one or more non-hydrogen substituents.
• substituents include, without limitation: functional groups referred to herein as "Fn,” such as halo, hydroxyl, sulfhydryl, C 1 -C 24 alkoxy, C 2 -C 24 alkenyloxy, C 2 -C 24 alkynyloxy, C 5 -C 24 aryloxy, C 6 -C 24 aralkyloxy, C 6 -C 24 alkaryloxy, acyl (including C 2 -C 24 alkylcarbonyl (-CO-alkyl) and C 6 -C 24 arylcarbonyl (-CO-aryl)), acyloxy (-O-acyl, including C 2 -C 24 alkylcarbonyloxy (-O-CO-alkyl) and C 6 -C 24 arylcarbonyloxy (-O-CO-aryl)), C 2 -C 24 alkoxycarbonyl (-(CO)-O-alkyl), C 6 -C 24 aryloxycarbonyl (--C
• “functionalized” as in “functionalized hydrocarbyl,” “functionalized alkyl,” “functionalized olefin,” “functionalized cyclic olefin,” and the like, is meant that in the hydrocarbyl, alkyl, olefin, cyclic olefin, or other moiety, at least one hydrogen atom bound to a carbon (or other) atom is replaced with one or more functional groups such as those described hereinabove.
• the term “functional group” is meant to include any functional species that is suitable for the uses described herein. In particular, as used herein, a functional group would necessarily possess the ability to react with or bond to corresponding functional groups on a substrate surface.
• the aforementioned functional groups may, if a particular group permits, be further substituted with one or more additional functional groups or with one or more hydrocarbyl moieties such as those specifically enumerated above.
• the above mentioned hydrocarbyl moieties may be further substituted with one or more functional groups or additional hydrocarbyl moieties such as those specifically mentioned above.
• the above-mentioned hydrocarbyl moieties may be further substituted with one or more functional groups or additional hydrocarbyl moieties as noted above.
• Optional or “optionally” means that the subsequently described circumstance may or may not occur, so that the description includes instances where the circumstance occurs and instances where it does not.
• the phrase “optionally substituted” means that a non-hydrogen substituent may or may not be present on a given atom, and, thus, the description includes structures wherein a non-hydrogen substituent is present and structures wherein a non-hydrogen substituent is not present.
• internal olefin means an olefin wherein each of the olefinic carbons (i.e., the carbons of the carbon-carbon double bond) is substituted by at least one non-hydrogen substituent.
• the internal olefin may be di-substituted, tri-substituted, or tetra-substituted (e.g., R 1 'HC is CHR 2' ; R 3' R 4' C is CHR 5' ; R 6' R 7' C is CR 8' R 9' ; where R 1' , R 2' , R 3' , R 4' , R 5' , R 6' , R 7' , R 8' , and R 9' may be the same or different and are each independently optionally substituted hydrocarbyl, optionally substituted heteroatom-containing hydrocarbyl, or a functional group).
• terminal olefin as used herein means an olefin wherein one of the olefinic carbons (i.e., the carbons of the carbon-carbon double bond) is substituted by at least one non-hydrogen substituent and the other olefinic carbon is unsubstituted.
• the terminal olefin may be di-substituted or mono-substituted (e.g., CH 2 is CHR 10' or CH 2 is CR 11' R 12' ; where R 10' , R 11' , and R 12' may be the same or different and are each independently optionally substituted hydrocarbyl, optionally substituted heteroatom-containing hydrocarbyl, or a functional group).
• reactant internal olefin means an internal olefin present in an olefin compound used in a cross metathesis reaction with another olefin compound to form a cross metathesis product.
• the "reactant internal olefin” may be di-substituted, tri-substituted, or tetra-substituted.
• the "reactant internal olefin” may have an E-configuration or a Z-configuration.
• product internal olefin as used herein means an internal olefin present in a cross metathesis product formed by a cross metathesis reaction, wherein each of the olefinic carbons (i.e., the carbons of the carbon-carbon double bond) of the internal olefin is substituted by at least one non-hydrogen substituent.
• the "product internal olefin” may be di-substituted, tri-substituted, or tetra-substituted.
• the "product internal olefin” may have an E configuration or a Z-configuration.
• hydroxyl as used herein, represents a group of formula "-OH”.
• carbonyl as used herein, represents a group of formula "-C(O)-”.
• ketone represents an organic compound having a carbonyl group linked to a carbon atom such as -C(O)R x wherein R x can be alkyl, aryl, cycloalkyl, cycloalkenyl, heterocycle as defined above.
• esters represents an organic compound having a carbonyl group linked to a carbon atom such as -C(O)OR x wherein R x can be alkyl, aryl, cycloalkyl, cycloalkenyl, heterocycle as defined above.
• amine as used herein, represents a group of formula "-NR x R y ",wherein R x and R y can be the same or independently H, alkyl, aryl, cycloalkyl, cycloalkenyl, heterocycle as defined above.
• sulfonyl as used herein, represents a group of formula "-SO 2 - ".
• sulfonate represents a group of the formula "-S(O) 2 -O-".
• carboxylic acid as used herein, represents a group of formula "-C(O)OH".
• nitro as used herein, represents a group of formula "-NO 2 ".
• cyano as used herein, represents a group of formula "-CN”.
• amide as used herein, represents a group of formula "-C(O)NR x R y ,” wherein R x and R y can be the same or independently H, alkyl, aryl, cycloalkyl, cycloalkenyl, heterocycle as defined above.
• sulfonamide represents a group of formula "-S(O) 2 NR x R y " wherein R x and R y can be the same or independently H, alkyl, aryl, cycloalkyl, cycloalkenyl, heterocycle as defined above.
• sulfoxide as used herein, represents a group of formula "-S(O)-”.
• phosphonic acid as used herein, represents a group of formula "-P(O)(OH) 2 ".
• phosphoric acid as used herein, represents a group of formula "-OP(O)(OH) 2 ".
• sulphonic acid as used herein, represents a group of formula "-S(O) 2 OH”.
• N represents a nitrogen atom
• Functional groups may be protected in cases where the functional group interferes with the metathesis catalyst, and any of the protecting groups commonly used in the art may be employed. Acceptable protecting groups may be found, for example, in Greene et al., Protective Groups in Organic Synthesis, 3rd Ed. (New York: Wiley, 1999 ). Examples of protecting groups include acetals, cyclic acetals, boronate esters (boronates), cyclic boronate esters (cyclic boronates), carbonates, or the like. Examples of protecting groups include cyclic acetals or cyclic boronate esters.
• the invention provides a compound of Formula (I):
• the invention provides a catalyst represented by Formula (I) wherein:
• the invention provides a catalyst represented by Formula (I) wherein:
• the invention provides a catalyst represented by Formula (I) wherein:
• the invention provides a catalyst represented by Formula (I) wherein:
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is hydrogen or optionally substituted C 1-8 alkyl;
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is hydrogen or optionally substituted C 1-8 alkyl; R 2 is hydrogen or optionally substituted C 1-8 alkyl; R 3 is hydrogen; R 4 is hydrogen; R 5 is hydrogen, optionally substituted C 1-8 alkyl or halogen; R 6 is hydrogen or optionally substituted C 1-8 alkyl; R 7 is hydrogen, optionally substituted C 1-8 alkyl or halogen; R 8 is hydrogen or optionally substituted C 1-8 alkyl; R 9 is hydrogen, optionally substituted C 1-8 alkyl or halogen; R 10 is hydrogen, optionally substituted C 1-8 alkyl or halogen; R 11 is hydrogen or optionally substituted C 1-8 alkyl; R 12 is hydrogen, optionally substituted C 1-8 alkyl or halogen; R 13 is hydrogen or optionally substituted C 1-8 alkyl; R 14 is hydrogen, optionally substituted C 1-8
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is hydrogen or optionally substituted C 1-8 alkyl;
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is hydrogen; R 2 is hydrogen; R 3 is hydrogen; R 4 is hydrogen; R 5 is hydrogen, halogen or optionally substituted C 1-8 alkyl; R 6 is hydrogen or optionally substituted C 1-8 alkyl; R 7 is hydrogen or optionally substituted C 1-8 alkyl;
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is optionally substituted C 1-8 alkyl; R 2 is optionally substituted C 1-8 alkyl; R 3 is hydrogen; R 4 is hydrogen; R 5 is halogen; R 6 is hydrogen; R 7 is halogen; R 8 is hydrogen; R 9 is halogen; R 10 is halogen; R 11 is hydrogen; R 12 is hydrogen or halogen; R 13 is hydrogen; R 14 is halogen; R 15 is halogen; R 16 is hydrogen; R 17 is hydrogen or together with R 18 forms an optionally substituted naphtyl or phenantryl ring; R 18 is halogen or together with R 17 forms an optionally substituted naphtyl or phenantryl ring; R 19 is optionally substituted C 1-8 alkyl; R 20 is hydrogen; R 21 is hydrogen; R 22 is hydrogen; R 23 is hydrogen; and R 24 is hydrogen.
• R 5 is halogen
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is hydrogen; R 2 is hydrogen; R 3 is hydrogen;
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is methyl; R 2 is methyl; R 3 is hydrogen; R 4 is hydrogen; R 5 is F; R 6 is hydrogen; R 7 is hydrogen or F; R 8 is hydrogen; R 9 is F; R 10 is F; R 11 is hydrogen; R 12 is hydrogen or F; R 13 is hydrogen; R 14 is F; R 15 is Cl; R 16 is hydrogen; R 17 is hydrogen or together with R 18 forms naphtyl or phenanthryl; R 18 is hydrogen, Cl, or together with R 17 forms naphtyl or phenanthryl; R 19 is i-Pr; R 20 is hydrogen; R 21 is hydrogen; R 22 is hydrogen; R 23 is hydrogen; and R 24 is hydrogen.
• Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is methyl; R 2 is methyl; R 3 is hydrogen; R 4 is hydrogen; R 5 is F
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is Me; R 2 is Me; R 3 is hydrogen; R 4 is hydrogen; R 5 is Me or F; R 6 is hydrogen; R 7 is hydrogen or F; R 8 is hydrogen; R 9 is hydrogen or F; R 10 is Me or F; R 11 is hydrogen; R 12 is hydrogen or F; R 13 is hydrogen; R 14 is hydrogen or F; R 15 is hydrogen or Cl; R 16 is hydrogen; R 17 is hydrogen or together with R 18 forms naphthyl or phenantryl; R 18 is Cl, phenyl or together with R 17 forms naphthyl or phenantryl; R 19 is i-Pr; R 20 is hydrogen; R 21 is hydrogen; R 22 is hydrogen; R 23 is hydrogen; and R 24 is hydrogen.
• Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is Me; R 2 is Me; R 3 is hydrogen; R 4 is
• the invention provides a catalyst represented by Formula (I) wherein: X is S; Y is S; Z is N; W is O; R 1 is hydrogen; R 2 is hydrogen; R 3 is hydrogen; R 4 is hydrogen; R 5 is Me, F or i-Pr; R 6 is hydrogen or t-Bu; R 7 is hydrogen or Me; R 8 is hydrogen or t-Bu; R 9 is hydrogen, Me, t-Bu, F or i-Pr; R 10 is hydrogen, Me, F or i-Pr; R 11 is hydrogen or t-Bu; R 12 is hydrogen or Me; R 13 is hydrogen or t-Bu; R 14 is hydrogen, Me, F or i-Pr; R 15 is hydrogen, methyl or Cl, or together with R 16 forms 2-phenyl-naphthyl or phenanthryl; R 16 is hydrogen, or together with R 15 forms 2-phenyl-naphthyl or phenanthryl; R 17 is hydrogen or together with R 18 forms 2-phenyl-n
• the invention provides a compound wherein the moiety of Formula (I) is
• the invention provides a compound wherein the moiety of Formula (I) is
• the invention provides a compound wherein the moiety of Formula (I) is
• the invention provides a compound of Formula (I) is selected from:
• a compound of Formula (I) is an olefin metathesis catalyst. In one embodiment, a compound of Formula (I) is a Z-selective olefin metathesis catalyst.
• a compound of Formula (I) is an olefin metathesis catalyst. In one embodiment, a compound of Formula (I) is an E-selective olefin metathesis catalyst.
• an olefin reactant comprises a reactant internal olefin, wherein the reactant internal olefin is in a Z-configuration.
• an olefin reactant comprises a reactant internal olefin, wherein the reactant internal olefin is di-substituted and is in a Z-configuration.
• an olefin reactant comprising a reactant internal olefin is represented by the structure of Formula (1): wherein,
• first internal olefin reactant there is a first internal olefin reactant and a second internal olefin reactant, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, wherein the first internal olefin reactant and the second internal olefin reactant are each in a Z-configuration.
• first internal olefin reactant and a second internal olefin reactant there is a first internal olefin reactant and a second internal olefin reactant, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, wherein the first olefin reactant and the second olefin reactant each comprise a reactant internal olefin.
• first internal olefin reactant and a second internal olefin reactant where the first internal olefin reactant and the second internal olefin reactant may be the same or different, wherein the first internal olefin reactant and the second internal olefin reactant each comprise a reactant internal olefin, wherein the reactant internal olefin is di-substituted and in a Z-configuration.
• first internal olefin reactant there is a first internal olefin reactant and a second internal olefin reactant, where the first internal olefin reactant is of Formula (1) and the second internal olefin reactant is of Formula (1), wherein the first internal olefin reactant and the second internal olefin reactant may be the same or different.
• an olefin reactant comprises a reactant internal olefin, wherein the reactant internal olefin is in an E-configuration.
• an olefin reactant comprises a reactant internal olefin, wherein the reactant internal olefin is di-substituted and is in an E-configuration.
• an olefin reactant comprising a reactant internal olefin is represented by the structure of Formula (2): wherein
• first internal olefin reactant there is a first internal olefin reactant and a second internal olefin reactant, where the first internal olefin reactant and the second internal olefin reactant may be the same or different, wherein the first internal olefin reactant and the second internal olefin reactant are each in an E-configuration.
• first internal olefin reactant and a second internal olefin reactant where the first internal olefin reactant and the second internal olefin reactant may be the same or different, wherein the first internal olefin reactant and the second internal olefin reactant each comprise a reactant internal olefin, wherein the reactant internal olefin is di-substituted and is in an E-configuration.
• first internal olefin reactant there is a first internal olefin reactant and a second internal olefin reactant, where the first internal olefin reactant is of Formula (2) and the second internal olefin reactant is of Formula (2), wherein the first internal olefin reactant and the second internal olefin reactant may be the same or different.
• the second olefin reactant comprising a terminal olefin may be represented by the structure of Formula (3): wherein U ⁇ is selected from the group comprising nil, CH 2 , O, or S and T ⁇ is selected from the group consisting of hydrogen, hydrocarbyl (e.g., C 1 -C 20 alkyl, C 5 -C 20 aryl, C 5 -C 30 aralkyl, or C 5 -C 30 alkaryl), substituted hydrocarbyl (e.g., substituted C 1 -C 20 alkyl, C 5 -C 20 aryl, C 5 -C 30 aralkyl, or C 5 -C 30 alkaryl), heteroatom-containing hydrocarbyl (e.g., C 1 -C 20 heteroalkyl, C 5 -C 20 heteroaryl, heteroatom-containing C 5 -C 30 aralkyl, or heteroatom-containing C 5 -C 30 alkaryl), and substituted heteroatom-containing hydrocarbyl
• first internal olefin reactant there is a first internal olefin reactant and a second terminal olefin reactant, wherein the first internal olefin reactant is in an E-configuration.
• first internal olefin reactant there is a first internal olefin reactant and a second terminal olefin reactant, wherein the first internal olefin reactant is in a Z -configuration.
• first internal olefin reactant there is a first internal olefin reactant and a second terminal olefin reactant, where the first internal olefin reactant is of Formula (1) and the second terminal olefin reactant is of Formula (3).
• first internal olefin reactant there is a first internal olefin reactant and a second terminal olefin reactant, where the first internal olefin reactant is of Formula (2) and the second terminal olefin reactant is of Formula (3).
• the olefin product is at least one cross metathesis product, wherein the at least one cross metathesis product is in a Z -configuration.
• the olefin product is at least one cross metathesis product, wherein the at least one cross metathesis product is di-substituted and is in a Z -configuration.
• an at least one cross metathesis product comprises a product internal olefin, wherein the product internal olefin is in a Z -configuration.
• an at least one cross metathesis product comprises a product internal olefin, wherein the product internal olefin is di-substituted and is in a Z -configuration.
• the olefin product is at least one cross metathesis product, wherein the at least one cross metathesis product is in an E -configuration.
• the olefin product is at least one cross metathesis product, wherein the at least one cross metathesis product is di-substituted and is in an E -configuration.
• an at least one cross metathesis product comprises a product internal olefin, wherein the product internal olefin is in an E -configuration.
• an at least one cross metathesis product comprises a product internal olefin, wherein the product internal olefin is di-substituted and is in an E -configuration.
• the invention provides a method that produces a compound (i.e., a product, olefin product; e.g., cross metathesis product) having a carbon-carbon double bond (e.g., a product internal olefin) in a Z : E ratio greater than about 1:1, greater than about 2:1, greater than about 3: 1, greater than about 4: 1, greater than about 5:1, greater than about 6:1, greater than about 7:1, greater than about 8:1, greater than about 9:1, greater than about 95:5, greater than about 96:4, greater than about 97:3, greater than about 98:2, or in some cases, greater than about 99: 1.
• about 100% of the carbon-carbon double bond produced in the metathesis reaction may have a Z configuration.
• the Z or cis selectivity may also be expressed as a percentage of product formed (e.g., cross metathesis product).
• the product e.g., cross metathesis product
• the product may be greater than about 50% Z , greater than about 60% Z , greater than about 70% Z, greater than about 80% Z , greater than about 90% Z , greater than about 95% Z , greater than about 96% Z , greater than about 97% Z , greater than about 98% Z , greater than about 99% Z , or in some cases greater than about 99.5% Z .
• an at least one cross metathesis product comprising a product internal olefin is represented by the structure of Formula (4): wherein,
• the invention provides a method that produces a compound (i.e., a product, olefin product; e.g., cross metathesis product) having a carbon-carbon double bond (e.g., a product internal olefin) in an E:Z ratio greater than about 1:1, greater than about 2:1, greater than about 3:1, greater than about 4:1, greater than about 5:1, greater than about 6:1, greater than about 7:1, greater than about 8:1, greater than about 9:1, greater than about 95:5, greater than about 96:4, greater than about 97:3, greater than about 98:2, or in some cases, greater than about 99: 1.
• about 100% of the carbon-carbon double bond produced in the metathesis reaction may have an E configuration.
• the E or trans selectivity may also be expressed as a percentage of product formed (e.g., cross metathesis product).
• the product e.g., cross metathesis product
• the product may be greater than about 50% E , greater than about 60% E , greater than about 70% E , greater than about 80% E , greater than about 90% E , greater than about 95% E , greater than about 96% E , greater than about 97% E , greater than about 98% E , greater than about 99% E , or in some cases greater than about 99.5% E .
• an at least one cross metathesis product comprising a product internal olefin, wherein the product internal olefin is in the E -configuration
• a cross metathesis product comprising a product internal olefin, wherein the product internal olefin is in the E -configuration
• D 19 and D 21 are identical or are independently selected from nil, CH 2 , O, or S
• E 19 and E 21 are identical or are independently selected from hydrogen, hydrocarbyl (e.g., C 1 -C 20 alkyl, C 5 -C 20 aryl, C 5 -C 30 aralkyl, or C 5 -C 30 alkaryl), substituted hydrocarbyl (e.g., substituted C 1 -C 20 alkyl, C 5 -C 20 aryl, C 5 -C 30 aralkyl, or C 5 -C 30 alkaryl), heteroatom-containing hydrocarbyl (e.g., C 1 -C 20 heteroalkyl, C
• GC Methods Volatile products were analyzed using an Agilent 6850 gas chromatography (GC) instrument with a flame ionization detector (FID). The following conditions and equipment were used:
• C765 was synthesized according to the procedure described in US 2014/0371454 . C765 was isolated as red/brown crystals in 97.1% yield.
• N , N '-bis(2,6-difluorophenyl)formimidamide (4.00 g, 14.9 mmol)
• 3-bromo-2-methylpropene (1.65 mL, 16.4 mmol
• chlorobenzene 120 mL
• the reaction was heated to 125 °C for 24 h. After cooling the resulting precipitate was isolated by filtration and washed with diethyl ether (2 x 20 mL).
• the crude product was then partitioned between dichloromethane and an aqueous sodium tetrafluoroborate solution (100 mL, 1:1, 2.0 g NaBF 4 /50 mL).
• N , N' -bis(2,4,6-trifluorophenyl)formimidamide 0.511 g, 1.68 mmol
• 3-bromo-2-methylpropene 0.200 mL, 1.97 mmol
• ortho -dichlorobenzene 4 mL
• the reaction was heated to 120 °C for 60 h. After cooling to 0 °C the resulting precipitate was isolated by filtration and washed with hexanes (3 x 15 mL).
• 1,3-bis(2,4,6-difluorophenyl)-4,4-dimethyl-4,5-dihydro-1H-imidazol-3-ium bromide (0.300 g, 0.683 mmol
• sodium tert -butoxide (0.0656 g, 0.683 mmol)
• C823 0.281 g, 0.342 mmol
• Table 2 summarizes a series of reactions where C765 (0.5 mol %) was exposed to various ratios of cis and trans- 5C14. While good stereoretention is attainable when isomerically pure starting material is used (entries 1 and 5), product distributions from reactions with mixtures of cis and trans -5C14 were complicated by the difference in reactivity of cis and trans stereoisomers.
• Table 4 summarizes a series of reactions where C849z (500 ppm) was exposed to various ratios of cis and trans- 5C14 . Unlike C765, C849z afforded product distributions that approach theoretical, when the trans- 5-tetradecene is considered an unreactive stereoisomer.
• Table 6 summarizes a series of reactions where C849z (1000 ppm) was exposed to various ratios of cis and trans -methyl-9-octadecenoate. Reactions with 80 or 100% cis -methyl-9-octadecenoate (entries 1 and 2) afforded near theoretical product distributions after 4 hours with excellent stereoretention. Reactions conducted with an increased trans -methyl-9-octadecenoate content (entries 3-5) afforded very little reactivity although products maintained high fidelity.

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